add SUSE rules

[elogind.git] / udev_utils.c

diff --git a/udev_utils.c b/udev_utils.c
index 2524baf5928664ae2e0968cc752c56a1057e7280..500d595c01884f2980d0fffa5175d59c1fb44740 100644 (file)
--- a/udev_utils.c
+++ b/udev_utils.c
@@ -28,6 +28,8 @@
 #include <ctype.h>
 #include <dirent.h>
 #include <syslog.h>
+#include <sys/socket.h>
+#include <sys/un.h>
 #include <sys/wait.h>
 #include <sys/stat.h>
 #include <sys/mman.h>
@@ -372,6 +374,39 @@ int add_matching_files(struct list_head *name_list, const char *dirname, const c
        return 0;
 }
 
+int pass_env_to_socket(const char *sockname, const char *devpath, const char *action)
+{
+       int sock;
+       struct sockaddr_un saddr;
+       socklen_t addrlen;
+       char buf[2048];
+       size_t bufpos = 0;
+       int i;
+       int retval;
+
+       dbg("pass environment to socket '%s'", sockname);
+       sock = socket(AF_LOCAL, SOCK_DGRAM, 0);
+       memset(&saddr, 0x00, sizeof(struct sockaddr_un));
+       saddr.sun_family = AF_LOCAL;
+       /* only abstract namespace is supported */
+       strcpy(&saddr.sun_path[1], sockname);
+       addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(saddr.sun_path+1) + 1;
+
+       bufpos = snprintf(buf, sizeof(buf)-1, "%s@%s", action, devpath);
+       bufpos++;
+       for (i = 0; environ[i] != NULL && bufpos < sizeof(buf); i++) {
+               bufpos += strlcpy(&buf[bufpos], environ[i], sizeof(buf) - bufpos-1);
+               bufpos++;
+       }
+
+       retval = sendto(sock, &buf, bufpos, 0, (struct sockaddr *)&saddr, addrlen);
+       if (retval != -1)
+               retval = 0;
+
+       close(sock);
+       return retval;
+}
+
 int execute_program(const char *command, const char *subsystem,
                    char *result, size_t ressize, size_t *reslen)
 {